On This Day — July 21
Notable events, births, and deaths from history on this date. Data from Wikimedia.
The United States Senate ratifies the North Atlantic Treaty.
1949
World War II: Battle of Guam: American troops land on Guam, starting a battle that will end on August 10.
1944
World War II: Claus von Stauffenberg and four fellow conspirators are executed for the July 20 plot to assassinate Adolf Hitler.
1944
